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fermat's principle

Fermat's principle states that light takes the path of least time when traveling between two points.

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Related Concepts (12)

calculus of variations
fermat's last theorem
fermat's problem
fermat's spiral
geometrical optics
optics
principle of least action
ray optics
reflection
refraction
snell's law
wavefront

Similar Concepts

d'alembert's principle
fermat's theorem
fermi constant
fermi energy
fermi paradox
fermi surface
fermi theory of beta decay
fermi weak interaction theory
fermi's golden rule
fermi's interaction
fermi's question
fermi's two-fluid model
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ferromagnetism
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